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<!DOCTYPE html><html lang="en"><head><meta charset="utf-8"><meta name="viewport" content="width=device-width, initial-scale=1.0"><meta name="generator" content="rustdoc"><meta name="description" content="Task failed to execute to completion."><meta name="keywords" content="rust, rustlang, rust-lang, JoinError"><title>JoinError in tokio::task - Rust</title><link rel="preload" as="font" type="font/woff2" crossorigin href="../../SourceSerif4-Regular.ttf.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../FiraSans-Regular.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../FiraSans-Medium.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../SourceCodePro-Regular.ttf.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../SourceSerif4-Bold.ttf.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../SourceCodePro-Semibold.ttf.woff2"><link rel="stylesheet" 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href="../../tokio/index.html"><div class="logo-container"><img class="rust-logo" src="../../rust-logo.svg" alt="logo"></div></a><h2></h2></nav><nav class="sidebar"><a class="sidebar-logo" href="../../tokio/index.html"><div class="logo-container"><img class="rust-logo" src="../../rust-logo.svg" alt="logo"></div></a><h2 class="location"><a href="#">JoinError</a></h2><div class="sidebar-elems"><section><h3><a href="#implementations">Methods</a></h3><ul class="block"><li><a href="#method.into_panic">into_panic</a></li><li><a href="#method.is_cancelled">is_cancelled</a></li><li><a href="#method.is_panic">is_panic</a></li><li><a href="#method.try_into_panic">try_into_panic</a></li></ul><h3><a href="#trait-implementations">Trait Implementations</a></h3><ul class="block"><li><a href="#impl-Debug-for-JoinError">Debug</a></li><li><a href="#impl-Display-for-JoinError">Display</a></li><li><a href="#impl-Error-for-JoinError">Error</a></li><li><a href="#impl-From%3CJoinError%3E-for-Error">From&lt;JoinError&gt;</a></li></ul><h3><a href="#synthetic-implementations">Auto Trait Implementations</a></h3><ul class="block"><li><a href="#impl-RefUnwindSafe-for-JoinError">!RefUnwindSafe</a></li><li><a href="#impl-Send-for-JoinError">Send</a></li><li><a href="#impl-Sync-for-JoinError">Sync</a></li><li><a href="#impl-Unpin-for-JoinError">Unpin</a></li><li><a href="#impl-UnwindSafe-for-JoinError">!UnwindSafe</a></li></ul><h3><a href="#blanket-implementations">Blanket Implementations</a></h3><ul class="block"><li><a href="#impl-Any-for-JoinError">Any</a></li><li><a href="#impl-Borrow%3CT%3E-for-JoinError">Borrow&lt;T&gt;</a></li><li><a href="#impl-BorrowMut%3CT%3E-for-JoinError">BorrowMut&lt;T&gt;</a></li><li><a href="#impl-From%3CT%3E-for-JoinError">From&lt;T&gt;</a></li><li><a href="#impl-Into%3CU%3E-for-JoinError">Into&lt;U&gt;</a></li><li><a href="#impl-Provider-for-JoinError">Provider</a></li><li><a href="#impl-ToString-for-JoinError">ToString</a></li><li><a href="#impl-TryFrom%3CU%3E-for-JoinError">TryFrom&lt;U&gt;</a></li><li><a href="#impl-TryInto%3CU%3E-for-JoinError">TryInto&lt;U&gt;</a></li></ul></section><h2><a href="index.html">In tokio::task</a></h2></div></nav><main><div class="width-limiter"><nav class="sub"><form class="search-form"><div class="search-container"><span></span><input class="search-input" name="search" autocomplete="off" spellcheck="false" placeholder="Click or press ‘S’ to search, ‘?’ for more options…" type="search"><div id="help-button" title="help" tabindex="-1"><a href="../../help.html">?</a></div><div id="settings-menu" tabindex="-1"><a href="../../settings.html" title="settings"><img width="22" height="22" alt="Change settings" src="../../wheel.svg"></a></div></div></form></nav><section id="main-content" class="content"><div class="main-heading"><h1 class="fqn">Struct <a href="../index.html">tokio</a>::<wbr><a href="index.html">task</a>::<wbr><a class="struct" href="#">JoinError</a><button id="copy-path" onclick="copy_path(this)" title="Copy item path to clipboard"><img src="../../clipboard.svg" width="19" height="18" alt="Copy item path"></button></h1><span class="out-of-band"><a class="srclink" href="../../src/tokio/runtime/task/error.rs.html#9-12">source</a> · <a id="toggle-all-docs" href="javascript:void(0)" title="collapse all docs">[<span class="inner">&#x2212;</span>]</a></span></div><div class="item-decl"><pre class="rust struct"><code>pub struct JoinError { /* private fields */ }</code></pre></div><details class="rustdoc-toggle top-doc" open><summary class="hideme"><span>Expand description</span></summary><div class="docblock"><p>Task failed to execute to completion.</p>
</div></details><h2 id="implementations" class="small-section-header">Implementations<a href="#implementations" class="anchor"></a></h2><div id="implementations-list"><details class="rustdoc-toggle implementors-toggle" open><summary><section id="impl-JoinError" class="impl has-srclink"><a class="srclink rightside" href="../../src/tokio/runtime/task/error.rs.html#20-133">source</a><a href="#impl-JoinError" class="anchor"></a><h3 class="code-header">impl <a class="struct" href="struct.JoinError.html" title="struct tokio::task::JoinError">JoinError</a></h3></section></summary><div class="impl-items"><details class="rustdoc-toggle method-toggle" open><summary><section id="method.is_cancelled" class="method has-srclink"><a class="srclink rightside" href="../../src/tokio/runtime/task/error.rs.html#36-38">source</a><h4 class="code-header">pub fn <a href="#method.is_cancelled" class="fnname">is_cancelled</a>(&amp;self) -&gt; bool</h4></section></summary><div class="docblock"><p>Returns true if the error was caused by the task being cancelled.</p>
</div></details><details class="rustdoc-toggle method-toggle" open><summary><section id="method.is_panic" class="method has-srclink"><a class="srclink rightside" href="../../src/tokio/runtime/task/error.rs.html#56-58">source</a><h4 class="code-header">pub fn <a href="#method.is_panic" class="fnname">is_panic</a>(&amp;self) -&gt; bool</h4></section></summary><div class="docblock"><p>Returns true if the error was caused by the task panicking.</p>
<h5 id="examples"><a href="#examples">Examples</a></h5>
<div class="example-wrap"><pre class="rust rust-example-rendered"><code><span class="kw">use </span>std::panic;
<span class="attribute">#[tokio::main]
</span><span class="kw">async fn </span>main() {
<span class="kw">let </span>err = tokio::spawn(<span class="kw">async </span>{
<span class="macro">panic!</span>(<span class="string">&quot;boom&quot;</span>);
}).<span class="kw">await</span>.unwrap_err();
<span class="macro">assert!</span>(err.is_panic());
}</code></pre></div>
</div></details><details class="rustdoc-toggle method-toggle" open><summary><section id="method.into_panic" class="method has-srclink"><a class="srclink rightside" href="../../src/tokio/runtime/task/error.rs.html#86-89">source</a><h4 class="code-header">pub fn <a href="#method.into_panic" class="fnname">into_panic</a>(self) -&gt; Box&lt;dyn Any + Send + 'static&gt;<span class="notable-traits"><span class="notable-traits-tooltip"><span class="notable-traits-tooltiptext"><span class="docblock"><span class="notable">Notable traits for Box&lt;F, A&gt;</span><code class="content"><span class="where fmt-newline">impl&lt;F, A&gt; Future for Box&lt;F, A&gt;<span class="where fmt-newline">where<br>&nbsp;&nbsp;&nbsp;&nbsp;F: Future + Unpin + ?Sized,<br>&nbsp;&nbsp;&nbsp;&nbsp;A: Allocator + 'static,</span></span><span class="where fmt-newline"> type <a class="associatedtype">Output</a> = &lt;F as Future&gt;::Output;</span></code></span></span></span></span></h4></section></summary><div class="docblock"><p>Consumes the join error, returning the object with which the task panicked.</p>
<h5 id="panics"><a href="#panics">Panics</a></h5>
<p><code>into_panic()</code> panics if the <code>Error</code> does not represent the underlying
task terminating with a panic. Use <code>is_panic</code> to check the error reason
or <code>try_into_panic</code> for a variant that does not panic.</p>
<h5 id="examples-1"><a href="#examples-1">Examples</a></h5>
<div class="example-wrap should_panic"><div class='tooltip'></div><pre class="rust rust-example-rendered"><code><span class="kw">use </span>std::panic;
<span class="attribute">#[tokio::main]
</span><span class="kw">async fn </span>main() {
<span class="kw">let </span>err = tokio::spawn(<span class="kw">async </span>{
<span class="macro">panic!</span>(<span class="string">&quot;boom&quot;</span>);
}).<span class="kw">await</span>.unwrap_err();
<span class="kw">if </span>err.is_panic() {
<span class="comment">// Resume the panic on the main task
</span>panic::resume_unwind(err.into_panic());
}
}</code></pre></div>
</div></details><details class="rustdoc-toggle method-toggle" open><summary><section id="method.try_into_panic" class="method has-srclink"><a class="srclink rightside" href="../../src/tokio/runtime/task/error.rs.html#112-117">source</a><h4 class="code-header">pub fn <a href="#method.try_into_panic" class="fnname">try_into_panic</a>(self) -&gt; Result&lt;Box&lt;dyn Any + Send + 'static&gt;, <a class="struct" href="struct.JoinError.html" title="struct tokio::task::JoinError">JoinError</a>&gt;</h4></section></summary><div class="docblock"><p>Consumes the join error, returning the object with which the task
panicked if the task terminated due to a panic. Otherwise, <code>self</code> is
returned.</p>
<h5 id="examples-2"><a href="#examples-2">Examples</a></h5>
<div class="example-wrap should_panic"><div class='tooltip'></div><pre class="rust rust-example-rendered"><code><span class="kw">use </span>std::panic;
<span class="attribute">#[tokio::main]
</span><span class="kw">async fn </span>main() {
<span class="kw">let </span>err = tokio::spawn(<span class="kw">async </span>{
<span class="macro">panic!</span>(<span class="string">&quot;boom&quot;</span>);
}).<span class="kw">await</span>.unwrap_err();
<span class="kw">if let </span><span class="prelude-val">Ok</span>(reason) = err.try_into_panic() {
<span class="comment">// Resume the panic on the main task
</span>panic::resume_unwind(reason);
}
}</code></pre></div>
</div></details></div></details></div><h2 id="trait-implementations" class="small-section-header">Trait Implementations<a href="#trait-implementations" class="anchor"></a></h2><div id="trait-implementations-list"><details class="rustdoc-toggle implementors-toggle" open><summary><section id="impl-Debug-for-JoinError" class="impl has-srclink"><a class="srclink rightside" href="../../src/tokio/runtime/task/error.rs.html#144-151">source</a><a href="#impl-Debug-for-JoinError" class="anchor"></a><h3 class="code-header">impl Debug for <a class="struct" href="struct.JoinError.html" title="struct tokio::task::JoinError">JoinError</a></h3></section></summary><div class="impl-items"><details class="rustdoc-toggle method-toggle" open><summary><section id="method.fmt-1" class="method trait-impl has-srclink"><a class="srclink rightside" href="../../src/tokio/runtime/task/error.rs.html#145-150">source</a><a href="#method.fmt-1" class="anchor"></a><h4 class="code-header">fn <a class="fnname">fmt</a>(&amp;self, fmt: &amp;mut Formatter&lt;'_&gt;) -&gt; Result</h4></section></summary><div class='docblock'>Formats the value using the given formatter. <a>Read more</a></div></details></div></details><details class="rustdoc-toggle implementors-toggle" open><summary><section id="impl-Display-for-JoinError" class="impl has-srclink"><a class="srclink rightside" href="../../src/tokio/runtime/task/error.rs.html#135-142">source</a><a href="#impl-Display-for-JoinError" class="anchor"></a><h3 class="code-header">impl Display for <a class="struct" href="struct.JoinError.html" title="struct tokio::task::JoinError">JoinError</a></h3></section></summary><div class="impl-items"><details class="rustdoc-toggle method-toggle" open><summary><section id="method.fmt" class="method trait-impl has-srclink"><a class="srclink rightside" href="../../src/tokio/runtime/task/error.rs.html#136-141">source</a><a href="#method.fmt" class="anchor"></a><h4 class="code-header">fn <a class="fnname">fmt</a>(&amp;self, fmt: &amp;mut Formatter&lt;'_&gt;) -&gt; Result</h4></section></summary><div class='docblock'>Formats the value using the given formatter. <a>Read more</a></div></details></div></details><details class="rustdoc-toggle implementors-toggle" open><summary><section id="impl-Error-for-JoinError" class="impl has-srclink"><a class="srclink rightside" href="../../src/tokio/runtime/task/error.rs.html#153">source</a><a href="#impl-Error-for-JoinError" class="anchor"></a><h3 class="code-header">impl Error for <a class="struct" href="struct.JoinError.html" title="struct tokio::task::JoinError">JoinError</a></h3></section></summary><div class="impl-items"><details class="rustdoc-toggle method-toggle" open><summary><section id="method.source" class="method trait-impl has-srclink"><span class="since rightside" title="Stable since Rust version 1.30.0">1.30.0</span><a href="#method.source" class="anchor"></a><h4 class="code-header">fn <a class="fnname">source</a>(&amp;self) -&gt; Option&lt;&amp;(dyn Error + 'static)&gt;</h4></section></summary><div class='docblock'>The lower-level source of this error, if any. <a>Read more</a></div></details><details class="rustdoc-toggle method-toggle" open><summary><section id="method.description" class="method trait-impl has-srclink"><span class="since rightside" title="Stable since Rust version 1.0.0">1.0.0</span><a href="#method.description" class="anchor"></a><h4 class="code-header">fn <a class="fnname">description</a>(&amp;self) -&gt; &amp;str</h4></section></summary><span class="item-info"><div class="stab deprecated"><span class="emoji">👎</span><span>Deprecated since 1.42.0: use the Display impl or to_string()</span></div></span><div class='docblock'> <a>Read more</a></div></details><details class="rustdoc-toggle method-toggle" open><summary><section id="method.cause" class="method trait-impl has-srclink"><span class="since rightside" title="Stable since Rust version 1.0.0">1.0.0</span><a href="#method.cause" class="anchor"></a><h4 class="code-header">fn <a class="fnname">cause</a>(&amp;self) -&gt; Option&lt;&amp;dyn Error&gt;</h4></section></summary><span class="item-info"><div class="stab deprecated"><span class="emoji">👎</span><span>Deprecated since 1.33.0: replaced by Error::source, which can support downcasting</span></div></span></details><details class="rustdoc-toggle method-toggle" open><summary><section id="method.provide" class="method trait-impl has-srclink"><a href="#method.provide" class="anchor"></a><h4 class="code-header">fn <a class="fnname">provide</a>(&amp;'a self, demand: &amp;mut Demand&lt;'a&gt;)</h4></section></summary><span class="item-info"><div class="stab unstable"><span class="emoji">🔬</span><span>This is a nightly-only experimental API. (<code>error_generic_member_access</code>)</span></div></span><div class='docblock'>Provides type based access to context intended for error reports. <a>Read more</a></div></details></div></details><details class="rustdoc-toggle implementors-toggle" open><summary><section id="impl-From%3CJoinError%3E-for-Error" class="impl has-srclink"><a class="srclink rightside" href="../../src/tokio/runtime/task/error.rs.html#155-165">source</a><a href="#impl-From%3CJoinError%3E-for-Error" class="anchor"></a><h3 class="code-header">impl From&lt;<a class="struct" href="struct.JoinError.html" title="struct tokio::task::JoinError">JoinError</a>&gt; for Error</h3></section></summary><div class="impl-items"><details class="rustdoc-toggle method-toggle" open><summary><section id="method.from" class="method trait-impl has-srclink"><a class="srclink rightside" href="../../src/tokio/runtime/task/error.rs.html#156-164">source</a><a href="#method.from" class="anchor"></a><h4 class="code-header">fn <a class="fnname">from</a>(src: <a class="struct" href="struct.JoinError.html" title="struct tokio::task::JoinError">JoinError</a>) -&gt; Error</h4></section></summary><div class='docblock'>Converts to this type from the input type.</div></details></div></details></div><h2 id="synthetic-implementations" class="small-section-header">Auto Trait Implementations<a href="#synthetic-implementations" class="anchor"></a></h2><div id="synthetic-implementations-list"><section id="impl-RefUnwindSafe-for-JoinError" class="impl has-srclink"><a href="#impl-RefUnwindSafe-for-JoinError" class="anchor"></a><h3 class="code-header">impl !RefUnwindSafe for <a class="struct" href="struct.JoinError.html" title="struct tokio::task::JoinError">JoinError</a></h3></section><section id="impl-Send-for-JoinError" class="impl has-srclink"><a href="#impl-Send-for-JoinError" class="anchor"></a><h3 class="code-header">impl Send for <a class="struct" href="struct.JoinError.html" title="struct tokio::task::JoinError">JoinError</a></h3></section><section id="impl-Sync-for-JoinError" class="impl has-srclink"><a href="#impl-Sync-for-JoinError" class="anchor"></a><h3 class="code-header">impl Sync for <a class="struct" href="struct.JoinError.html" title="struct tokio::task::JoinError">JoinError</a></h3></section><section id="impl-Unpin-for-JoinError" class="impl has-srclink"><a href="#impl-Unpin-for-JoinError" class="anchor"></a><h3 class="code-header">impl Unpin for <a class="struct" href="struct.JoinError.html" title="struct tokio::task::JoinError">JoinError</a></h3></section><section id="impl-UnwindSafe-for-JoinError" class="impl has-srclink"><a href="#impl-UnwindSafe-for-JoinError" class="anchor"></a><h3 class="code-header">impl !UnwindSafe for <a class="struct" href="struct.JoinError.html" title="struct tokio::task::JoinError">JoinError</a></h3></section></div><h2 id="blanket-implementations" class="small-section-header">Blanket Implementations<a href="#blanket-implementations" class="anchor"></a></h2><div id="blanket-implementations-list"><details class="rustdoc-toggle implementors-toggle"><summary><section id="impl-Any-for-JoinError" class="impl has-srclink"><a href="#impl-Any-for-JoinError" class="anchor"></a><h3 class="code-header">impl&lt;T&gt; Any for T<span class="where fmt-newline">where<br>&nbsp;&nbsp;&nbsp;&nbsp;T: 'static + ?Sized,</span></h3></section></summary><div class="impl-items"><details class="rustdoc-toggle method-toggle" open><summary><section id="method.type_id" class="method trait-impl has-srclink"><a href="#method.type_id" class="anchor"></a><h4 class="code-header">fn <a class="fnname">type_id</a>(&amp;self) -&gt; TypeId</h4></section></summary><div class='docblock'>Gets the <code>TypeId</code> of <code>self</code>. <a>Read more</a></div></details></div></details><details class="rustdoc-toggle implementors-toggle"><summary><section id="impl-Borrow%3CT%3E-for-JoinError" class="impl has-srclink"><a href="#impl-Borrow%3CT%3E-for-JoinError" class="anchor"></a><h3 class="code-header">impl&lt;T&gt; Borrow&lt;T&gt; for T<span class="where fmt-newline">where<br>&nbsp;&nbsp;&nbsp;&nbsp;T: ?Sized,</span></h3></section></summary><div class="impl-items"><details class="rustdoc-toggle method-toggle" open><summary><section id="method.borrow" class="method trait-impl has-srclink"><span class="since rightside" title="const unstable">const: <a href="https://github.com/rust-lang/rust/issues/91522" title="Tracking issue for const_borrow">unstable</a></span><a href="#method.borrow" class="anchor"></a><h4 class="code-header">fn <a class="fnname">borrow</a>(&amp;self) -&gt; &amp;T</h4></section></summary><div class='docblock'>Immutably borrows from an owned value. <a>Read more</a></div></details></div></details><details class="rustdoc-toggle implementors-toggle"><summary><section id="impl-BorrowMut%3CT%3E-for-JoinError" class="impl has-srclink"><a href="#impl-BorrowMut%3CT%3E-for-JoinError" class="anchor"></a><h3 class="code-header">impl&lt;T&gt; BorrowMut&lt;T&gt; for T<span class="where fmt-newline">where<br>&nbsp;&nbsp;&nbsp;&nbsp;T: ?Sized,</span></h3></section></summary><div class="impl-items"><details class="rustdoc-toggle method-toggle" open><summary><section id="method.borrow_mut" class="method trait-impl has-srclink"><span class="since rightside" title="const unstable">const: <a href="https://github.com/rust-lang/rust/issues/91522" title="Tracking issue for const_borrow">unstable</a></span><a href="#method.borrow_mut" class="anchor"></a><h4 class="code-header">fn <a class="fnname">borrow_mut</a>(&amp;mut self) -&gt; &amp;mut T</h4></section></summary><div class='docblock'>Mutably borrows from an owned value. <a>Read more</a></div></details></div></details><details class="rustdoc-toggle implementors-toggle"><summary><section id="impl-From%3CT%3E-for-JoinError" class="impl has-srclink"><a href="#impl-From%3CT%3E-for-JoinError" class="anchor"></a><h3 class="code-header">impl&lt;T&gt; From&lt;T&gt; for T</h3></section></summary><div class="impl-items"><details class="rustdoc-toggle method-toggle" open><summary><section id="method.from-1" class="method trait-impl has-srclink"><span class="since rightside" title="const unstable">const: <a href="https://github.com/rust-lang/rust/issues/88674" title="Tracking issue for const_convert">unstable</a></span><a href="#method.from-1" class="anchor"></a><h4 class="code-header">fn <a class="fnname">from</a>(t: T) -&gt; T</h4></section></summary><div class="docblock"><p>Returns the argument unchanged.</p>
</div></details></div></details><details class="rustdoc-toggle implementors-toggle"><summary><section id="impl-Into%3CU%3E-for-JoinError" class="impl has-srclink"><a href="#impl-Into%3CU%3E-for-JoinError" class="anchor"></a><h3 class="code-header">impl&lt;T, U&gt; Into&lt;U&gt; for T<span class="where fmt-newline">where<br>&nbsp;&nbsp;&nbsp;&nbsp;U: From&lt;T&gt;,</span></h3></section></summary><div class="impl-items"><details class="rustdoc-toggle method-toggle" open><summary><section id="method.into" class="method trait-impl has-srclink"><span class="since rightside" title="const unstable">const: <a href="https://github.com/rust-lang/rust/issues/88674" title="Tracking issue for const_convert">unstable</a></span><a href="#method.into" class="anchor"></a><h4 class="code-header">fn <a class="fnname">into</a>(self) -&gt; U</h4></section></summary><div class="docblock"><p>Calls <code>U::from(self)</code>.</p>
<p>That is, this conversion is whatever the implementation of
<code>[From]&lt;T&gt; for U</code> chooses to do.</p>
</div></details></div></details><details class="rustdoc-toggle implementors-toggle"><summary><section id="impl-Provider-for-JoinError" class="impl has-srclink"><a href="#impl-Provider-for-JoinError" class="anchor"></a><h3 class="code-header">impl&lt;E&gt; Provider for E<span class="where fmt-newline">where<br>&nbsp;&nbsp;&nbsp;&nbsp;E: Error + ?Sized,</span></h3></section></summary><div class="impl-items"><details class="rustdoc-toggle method-toggle" open><summary><section id="method.provide-1" class="method trait-impl has-srclink"><a href="#method.provide-1" class="anchor"></a><h4 class="code-header">fn <a class="fnname">provide</a>(&amp;'a self, demand: &amp;mut Demand&lt;'a&gt;)</h4></section></summary><span class="item-info"><div class="stab unstable"><span class="emoji">🔬</span><span>This is a nightly-only experimental API. (<code>provide_any</code>)</span></div></span><div class='docblock'>Data providers should implement this method to provide <em>all</em> values they are able to
provide by using <code>demand</code>. <a>Read more</a></div></details></div></details><details class="rustdoc-toggle implementors-toggle"><summary><section id="impl-ToString-for-JoinError" class="impl has-srclink"><a href="#impl-ToString-for-JoinError" class="anchor"></a><h3 class="code-header">impl&lt;T&gt; ToString for T<span class="where fmt-newline">where<br>&nbsp;&nbsp;&nbsp;&nbsp;T: Display + ?Sized,</span></h3></section></summary><div class="impl-items"><details class="rustdoc-toggle method-toggle" open><summary><section id="method.to_string" class="method trait-impl has-srclink"><a href="#method.to_string" class="anchor"></a><h4 class="code-header">default fn <a class="fnname">to_string</a>(&amp;self) -&gt; String</h4></section></summary><div class='docblock'>Converts the given value to a <code>String</code>. <a>Read more</a></div></details></div></details><details class="rustdoc-toggle implementors-toggle"><summary><section id="impl-TryFrom%3CU%3E-for-JoinError" class="impl has-srclink"><a href="#impl-TryFrom%3CU%3E-for-JoinError" class="anchor"></a><h3 class="code-header">impl&lt;T, U&gt; TryFrom&lt;U&gt; for T<span class="where fmt-newline">where<br>&nbsp;&nbsp;&nbsp;&nbsp;U: Into&lt;T&gt;,</span></h3></section></summary><div class="impl-items"><details class="rustdoc-toggle" open><summary><section id="associatedtype.Error-1" class="associatedtype trait-impl has-srclink"><a href="#associatedtype.Error-1" class="anchor"></a><h4 class="code-header">type <a class="associatedtype">Error</a> = Infallible</h4></section></summary><div class='docblock'>The type returned in the event of a conversion error.</div></details><details class="rustdoc-toggle method-toggle" open><summary><section id="method.try_from" class="method trait-impl has-srclink"><span class="since rightside" title="const unstable">const: <a href="https://github.com/rust-lang/rust/issues/88674" title="Tracking issue for const_convert">unstable</a></span><a href="#method.try_from" class="anchor"></a><h4 class="code-header">fn <a class="fnname">try_from</a>(value: U) -&gt; Result&lt;T, &lt;T as TryFrom&lt;U&gt;&gt;::Error&gt;</h4></section></summary><div class='docblock'>Performs the conversion.</div></details></div></details><details class="rustdoc-toggle implementors-toggle"><summary><section id="impl-TryInto%3CU%3E-for-JoinError" class="impl has-srclink"><a href="#impl-TryInto%3CU%3E-for-JoinError" class="anchor"></a><h3 class="code-header">impl&lt;T, U&gt; TryInto&lt;U&gt; for T<span class="where fmt-newline">where<br>&nbsp;&nbsp;&nbsp;&nbsp;U: TryFrom&lt;T&gt;,</span></h3></section></summary><div class="impl-items"><details class="rustdoc-toggle" open><summary><section id="associatedtype.Error" class="associatedtype trait-impl has-srclink"><a href="#associatedtype.Error" class="anchor"></a><h4 class="code-header">type <a class="associatedtype">Error</a> = &lt;U as TryFrom&lt;T&gt;&gt;::Error</h4></section></summary><div class='docblock'>The type returned in the event of a conversion error.</div></details><details class="rustdoc-toggle method-toggle" open><summary><section id="method.try_into" class="method trait-impl has-srclink"><span class="since rightside" title="const unstable">const: <a href="https://github.com/rust-lang/rust/issues/88674" title="Tracking issue for const_convert">unstable</a></span><a href="#method.try_into" class="anchor"></a><h4 class="code-header">fn <a class="fnname">try_into</a>(self) -&gt; Result&lt;U, &lt;U as TryFrom&lt;T&gt;&gt;::Error&gt;</h4></section></summary><div class='docblock'>Performs the conversion.</div></details></div></details></div></section></div></main><div id="rustdoc-vars" data-root-path="../../" data-current-crate="tokio" data-themes="ayu,dark,light" data-resource-suffix="" data-rustdoc-version="1.66.0-nightly (5c8bff74b 2022-10-21)" ></div></body></html>